"""

Modules of :class:`gai.v2.spark`:
    - :class:`gai.v2.spark.transformer`
      List of transformers for :class:`pyspark.sql.DataFrame`.
    - :class:`gai.v2.spark.feature`
      List of feature selection utilities for :class:`pyspark.sql.DataFrame`.
    - :class:`gai.v2.spark.evaluation`
      List of utilities for evaluating prediction results.
    - :class:`gai.v2.spark.external`
      List of utilities from external sources.

Important classes of :class:`gai.v2.spark`:
    - :class:`gai.v2.spark.SparkTransformer`

"""

from __future__ import absolute_import

from gai.v2.spark.base import SparkTransformer

__all__ = [
    'SparkTransformer'
]
